Killer whales are the only natural predator of baleen whales—those that have "baleen" in their mouths to sieve their plankton ...

New research finds some baleen whale species call at such deep frequencies that they're completely undetectable by killer whales, which cannot hear sounds below 100 hertz. These also tend to be the ...

When I yell and scream as Plankton, especially the kinds of screams I do that are just sort of blood-curdling—those I have to recover from.But singing is actually easier than some of the stuff I ...